#3C759A
Closest named color: Dull Blue (#49759C). oklch(54% 0.083 239.3), rgb(60, 117, 154).
Aa
White text reads best on this color (4.99:1).
About this color
#3C759A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.083 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.014 away. White text reads best on it, at 4.99:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #3C759A |
| RGB | rgb(60, 117, 154) |
| HSL | hsl(204, 44%, 42%) |
| OKLCH | oklch(54% 0.083 239.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #3C759A | 4.99:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #3C759A | 4.20:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #3C759A text on white | 4.99:1 | AA | Lc 74.4 | Content text, not long reading |
| #3C759A text on black | 4.20:1 | AA large text | Lc -27.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDBE6
oklch(88.4% 0.021 241.4)
-
Step 300
300
#ABC5D7
oklch(81% 0.038 238.2)
-
Step 400
400
#7EA6C3
oklch(70.6% 0.061 240.2)
-
Step 500
500
#5C90B3
oklch(63.1% 0.077 239.1)
-
Step 600
600 (this color)
#3C759A
oklch(54% 0.083 239.3)
-
Step 700
700
#326688
oklch(49% 0.078 239.7)
-
Step 800
800
#2B546E
oklch(42.8% 0.063 238.5)
-
Step 900
900
#274559
oklch(37.6% 0.05 239.2)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#3C759A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #64759C | 0.046 |
| Deuteranopia (no green cones) | #576B99 | 0.038 |
| Tritanopia (no blue cones) | #007E82 | 0.061 |
| Achromatopsia (no color) | #6F6F6F | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C759A
#3C759A
oklch(54% 0.083 239.3)
- #92623A
#92623A
oklch(53.9% 0.083 59.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3C759A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.014
- Muted Blue #3B719F ΔE 0.016
- Cerulean #457B9D ΔE 0.021
- Metallic Blue #4F738E ΔE 0.025
- Flat Blue #3C73A8 ΔE 0.025
- Stormy Blue #507B9C ΔE 0.029
- Sea Blue #047495 ΔE 0.032
- Ocean Blue #03719C ΔE 0.034
Use #3C759A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.